I filled the larger one with about 25 pounds of rice and the smaller one maybe holds 5-6 pounds. I've taken the larger one out a couple of times now. Setting on the roof of the little S15 pick up, it is the perfect height for some long range plinking. It is long enough that I've not felt the need, so far, for a rear rest.

So far it's been a lot more convenient than bipods, and just as accurate.

Has anyone else tried one of these?

Tim

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If I can kill that coyote from here, Will you walk out to get him?

Tim-- I have the Bench Model of the Uncle Bud's Bulls Bag. It is similar to your large bag. They work great for sighting in little skinny stocked hunting rifles like a Model 7. I hadn't thought of using it on top of a vehicle...Hmm...

I've used it(Hughes products)for the last couple of prairie dog season,filled mine with rice too.Also have a couple of their other rest.
The Dog-Be-Gone & Protektor bags are better but the Hughes are a lot cheaper.The large bag works great off the hood of the truck.Just remember to turn it sideways to shoot a 15" barreled Ancore on it or you blow the end of the bag out...BTDT=CJ

__________________"Make everything as simple as possible, but not simpler." -Albert Einstein (1879-1955)